Smoke and carbon monoxide sensor



FIG. 1 is a front perspective view of a smoke and carbon monoxide sensor according to the present design;

FIG. 2 is a front elevational view of the smoke and carbon monoxide sensor of FIG. 1;

FIG. 3 is a rear elevational view of the smoke and carbon monoxide sensor of FIG. 1;

FIG. 4 is a left-side elevational view of the smoke and carbon monoxide sensor of FIG. 1;

FIG. 5 is a right-side elevational view of the smoke and carbon monoxide sensor of FIG. 1;

FIG. 6 is a top plan view of the smoke and carbon monoxide sensor of FIG. 1; and,

FIG. 7 is a bottom plan view of the smoke and carbon monoxide sensor of FIG. 1.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a smoke and carbon monoxide sensor, as shown and described. 